/***************************************************************************
 *   Copyright (C) 2007 by Alexandre Masselot,,,   *
 *   alex@alex-laptop   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; either version 2 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef BOLMASSCALCULATOR_H
#define BOLMASSCALCULATOR_H

namespace bol {

/**
  get mass from formula, charged deconvolution etc etc..

  @todo read data from file with a reader, remove those hard coded shortcuts etc.

	@author Alexandre Masselot,,, <alex@alex-laptop>
*/
class MassCalculator{
public:
#ifndef _MSC_VER
    static const double MASS_HPLUS=1.00278;
#else // MSVC is stupid and can't initialize non-integer const.
    static const double MASS_HPLUS;
#endif
    MassCalculator(){}

    ~MassCalculator(){}

    /**
     * transform a charged value into MH value (m-1.00728)*z
     * @param m  the mass
     * @param z the charge
     * @return the deconvolated mass
     */
    static double charged2deconvol(const double m, const unsigned int z){
      return (m-MASS_HPLUS)*z;
    }
};


}

#endif
